Andy Murray ended the hopes of local tennis fans, and one teenager in particular, with a no-nonsense performance to reach his fifth Australian Open semi-final after a 6-3 7-6(5) 6-3 victory over Nick Kyrgios.

Evergreen Venus Williams turned back the clock at the Australian Open to book her first grand slam quarter-final in five years, while sister Serena earlier avenged last year's French Open loss to Garbine Muguruza.

Top seed Serena Williams beat Vera Zvonareva 7-5 6-0 to reach the third round of the Australian Open while there were allegations of sexism after a commentator asked Williams and Eugenie Bouchard to 'twirl'.